Lower dental impression tray



FIG. 1 is a bottom perspective view of a lower dental impression trayincorporating my new design;

FIG. 2 is a front elevational view thereof in upside down relation;

FIG. 3 is a left side elevational view thereof in upside down relation,the right side being a mirror image thereof;

FIG. 4 is a rear elevational view thereof, also upside down;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a top plan view thereof.

The ornamental design for a lower dental impression tray, as shown anddescribed.